/Engine/Plugins/Runtime/CommonUI/Source/CommonUI/Public/Input/CommonUIActionRouterBase.h
Searches up theSWidgettree until it finds the nearestUCommonActivatableWidget
static [UCommonActivatableWidget](API\Plugins\CommonUI\UCommonActivatableWidget) * FindOwningActivatable ( [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [SWidget](API\Runtime\SlateCore\Widgets\SWidget) > Widget, [ULocalPlayer](API\Runtime\Engine\Engine\ULocalPlayer) * OwningLocalPlayer )